Regular readers know that my family has had three cases of dementia, including one of Alzheimer’s Disease. So, I am very sensitive on the subject of mental health. I was very gratified to read the item from Harvard on the subject.
Dementia affects the person diagnosed but also raises fears for siblings and children. Here are the facts.
“Alzheimer’s disease represents a personal health crisis, but it’s also a family concern. What does it mean for your children or siblings if you are diagnosed with Alzheimer’s? What does it mean for you if a close relative develops the condition?
“‘People think that if their dad or aunt or uncle had Alzheimer’s disease, they are doomed. But, no, that’s not true,” says Dr. Gad Marshall, assistant professor of neurology at Harvard Medical School. “Even though family history adds to the overall risk, age still usually trumps it quite a bit. It means your risk is higher, but it’s not that much higher, if you consider the absolute numbers.’
Family history by the numbers
“Studies of family history say that if you have a close relative who has been diagnosed with Alzheimer’s disease—the most common form of dementia in older adults—your risk increases by about 30%. This is a relative risk increase, meaning a 30% hike in your existing risk.
“If you are age 65, the risk of being diagnosed with Alzheimer’s is 2% per year, although this also means a 98% chance per year of not developing Alzheimer’s. In absolute numbers, a 2% annual risk means that two out of 100 65-year-olds will develop dementia every year.
“Family history raises the 2% annual risk by about 30%, to 2.6% per year. That means going from 20 cases in a group of 1,000 to 26 in 1,000, or six additional cases in 1,000. “So the absolute increase is relatively small,” Dr. Marshall says.
“Age raises the chance of Alzheimer’s more than family history. People in their 70s have a 5% chance of being diagnosed—more than twice that of people in their 60s. Family history raises this by 30%, from 5% to 6.5%. Again, the absolute change is relatively small.”
What to do if someone in your family is diagnosed with Alzheimer’s
• Contact the Alzheimer’s Association. Find out about resources available to help you and your family. State and county agencies may also be able to help.
• Plan for the future. This includes legally designating someone to make health care and financial decisions for the affected person when he or she can’t.
• Investigate long-term care options. Nursing care is expensive, and finding a good place can take time. Start early.
• Take care of physical health. People with dementia who live a healthy lifestyle tend to progress more slowly to the later stages.
• Steer away from genetic testing. Even if you have the APOE Alzheimer’s risk gene, it usually doesn’t mean you will develop dementia later in life.
Finally, to add to the Harvard recommendations, please check out my Page – Important Facts About Your Brain (and Exercise Benefits). I have a ton of positive reassuring information there. So far it seems to be working, I just turned 76 and my brain seems intact … if this blog is any evidence of that.
Tony
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Regular readers know that my family history includes both Alzheimer’s and dementia. So, exercise is most relevant to me. When people ask me why I ride my bike every day, I always tell them that I am paying for my old age one bike ride at a time.
Simple stuff here. You can make your life better today if you start integrating some of these into your daily doings.
Leslie Beck, a registered dietitian wrote . . . . .
